WO2012133904A1 - Dispositif de récupération de soufre et procédé de récupération de soufre - Google Patents

Dispositif de récupération de soufre et procédé de récupération de soufre Download PDF

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Publication number
WO2012133904A1
WO2012133904A1 PCT/JP2012/059016 JP2012059016W WO2012133904A1 WO 2012133904 A1 WO2012133904 A1 WO 2012133904A1 JP 2012059016 W JP2012059016 W JP 2012059016W WO 2012133904 A1 WO2012133904 A1 WO 2012133904A1
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WO
WIPO (PCT)
Prior art keywords
sulfur
reaction
reheater
reactor
claus
Prior art date
Application number
PCT/JP2012/059016
Other languages
English (en)
Japanese (ja)
Inventor
辰男 紙透
弘之 小笹山
山田　靖
信吾 新井
木田　満
Original Assignee
日揮株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日揮株式会社 filed Critical 日揮株式会社
Priority to EA201391397A priority Critical patent/EA024611B1/ru
Priority to CA2829563A priority patent/CA2829563C/fr
Priority to US14/007,971 priority patent/US8778297B2/en
Publication of WO2012133904A1 publication Critical patent/WO2012133904A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
    • C01B17/0447—Separation of the obtained sulfur
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0403—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal
    • B01J8/0407—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal through two or more cylindrical annular shaped beds
    • B01J8/0419—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal through two or more cylindrical annular shaped beds the beds being placed in separate reactors
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
    • C01B17/0413—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process characterised by the combustion step
    • C01B17/0417—Combustion reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Definitions

  • the reaction furnace has a function of WHB (Waste Heat Boiler) in order to effectively use the reaction heat generated by the Claus reaction.
  • WHB Waste Heat Boiler
  • the reaction gas is primarily cooled and heat is recovered as high-pressure steam. Since sulfur compounds such as hydrogen sulfide and sulfur oxide remain in the reaction gas, the SRU further heats the first cooled reaction gas with low-pressure steam in order to sulfurize unreacted hydrogen sulfide.
  • a reactor for catalytic Claus reaction Sulfur in the gas reacted in the reaction furnace or reactor is cooled to about 140 ° C. and recovered as liquid sulfur.
  • Patent Document 1 The SRU process is disclosed, for example, in Patent Document 1 below.
  • a second reheater that reheats the condensed gas discharged from the second sulfur condenser; a second catalyst Claus reactor that causes a catalytic Claus reaction of the reaction gas discharged from the second reheater;
  • a third sulfur condenser that cools the reaction gas discharged from the two-catalyst Claus reactor and condenses sulfur contained in the reaction gas, the reheater, the second reheater, and the catalyst
  • At least one device of a Claus reactor, the second catalytic Claus reactor, the second and third sulfur condensers, and the separator, and the reactor are fixedly arranged with respect to the ground, and the fixed
  • a device arranged between a plurality of devices arranged is movably arranged with respect to the plurality of fixed devices, and even when the temperature is increased by a high-temperature Claus reaction or a catalytic Claus reaction, thermal stress is present.
  • the second reheater reheats the condensed gas discharged from the second sulfur condenser
  • the second catalytic Claus reactor causes the reaction gas discharged from the second reheater to undergo a catalytic Claus reaction, And further comprising condensing sulfur contained in the reaction gas by cooling the reaction gas discharged from the second catalytic Claus reactor with a third sulfur condenser, and the reheater and the second reheater.
  • at least one of the catalytic Claus reactor, the second catalytic Claus reactor, the second and third sulfur condensers, and the separator, and the reactor is fixedly disposed with respect to the ground.
  • the reaction furnace 2 burns hydrogen sulfide together with air sent from the air blower 1 at a high temperature to oxidize the hydrogen sulfide and separate it into sulfur (S2) and water (H2O). This reaction is called “high temperature Claus reaction”.
  • the high temperature Claus reaction will be described later using Equations 1 and 2.
  • the reaction furnace 2 includes a waste heat boiler 3.
  • the waste heat boiler 3 heat-reacts the reaction gas with boiler feed water (BFW), thereby cooling the reaction gas and generating high-pressure or medium-pressure steam.
  • BFW boiler feed water
  • the first Claus reactor 31 generates a catalyst Claus reaction by bringing the reaction gas discharged from the first sulfur condenser 11 into contact with the oxidation catalyst layer and the Claus catalyst layer, thereby generating sulfur.
  • the catalytic Claus reaction generates sulfur according to the same chemical reaction equation as in Equation 2, but the reaction temperature is lower than the high temperature Claus reaction and is performed at a temperature above the dew point temperature of sulfur (240 to 350 ° C.).
  • the reaction gas cooled and discharged by the sulfur condenser is heated to the reaction temperature of the catalytic Claus reaction by the reheater and supplied to the Claus reactor.
  • the positional relationship between the anti-slip member and the sliding plate can be determined by the relationship with the frictional force of the equipment. When the weight of the device is large and the frictional force is large, the device is difficult to move, so the distance between the anti-slip member and the sliding plate is reduced.
  • FIG. 8 is a plan view showing an arrangement example of the reaction furnace and the sulfur condenser.
  • the pipe 4A connecting the reaction furnace 2 and the first condenser 11 shown in FIG. 8 does not connect between the opposing devices, but the nozzles 2-2 and 11 on the side surface of the devices. -2 are connected to each other and have a U-shape. Since the reactor 2 is fixed to the ground, the connecting portion between the pipe 4A and the reactor 2 is restrained, and the downstream side can move from the connecting portion, but the first condenser 11 is between the ground. Since a frictional force is generated by its own weight, thermal stress is generated in the pipe 4A.
  • the expansion loop as shown in FIG. 1 is an additional shape attached in the middle of the pipe, whereas the U-shape shown in FIG. 8 is used for connecting the nozzles on the side of the device. It differs in that it is an essential shape. Further, the expansion loop absorbs thermal expansion and contraction that occurs in a pipe whose movement is restricted, whereas the U-shape shown in FIG. 8 is different in that it is a pipe itself that is not restricted in thermal expansion and contraction. Thus, it is necessary to provide an expansion loop in the middle of the piping even when a frictional force is generated when the movable device moves by making the piping into a U shape that does not restrain thermal expansion and contraction depending on the nozzle position and piping of the device. Therefore, the SRU layout can be reduced.
  • the reaction gas discharged from the reheater is subjected to catalytic Claus reaction (S104).
  • the reaction gas discharged from the Claus reactor is cooled to condense sulfur (S105).
  • S104 catalytic Claus reaction
  • S105 condense sulfur
  • a plurality of sets of sulfur condensers, reheaters, and reactors are provided. Depending on the number of sets, the condensation step of S102 and the heating step of S103 , And the catalyst Claus reaction step of S104 and the condensation step of S105 are repeated.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)

Abstract

La présente invention concerne un dispositif de récupération de soufre comprenant : un réacteur qui introduit un gaz contenant du sulfure d'hydrogène et un gaz contenant de l'oxygène, et qui provoque une réaction de Claus à haute température entre le gaz contenant du sulfure d'hydrogène et le gaz contenant de l'oxygène ; un premier condenseur de soufre qui refroidit le gaz réactionnel évacué du réacteur et condense le soufre ; un réchauffeur qui réchauffe le gaz condensé évacué du premier condenseur de soufre ; un réacteur de Claus catalytique qui entraîne une réaction de Claus catalytique du gaz réactionnel évacué du réchauffeur ; un second condenseur de soufre qui refroidit et condense le gaz réactionnel évacué du réacteur de Claus catalytique ; et un séparateur qui provoque la collision des gouttelettes de soufre accompagnant le gaz réactionnel évacué du second condenseur de soufre, et qui élimine lesdites gouttelettes après collision et augmentation de taille. Le réacteur et au moins un dispositif parmi le réchauffeur, le réacteur de Claus catalytique, le second condenseur de soufre et le séparateur sont disposés de sorte à être fixés au sol et les dispositifs disposés entre l'ensemble des dispositifs fixés sont disposés de sorte à être mobiles par rapport à l'ensemble des dispositifs fixés ; et les contraintes thermiques sont absorbées.
PCT/JP2012/059016 2011-03-31 2012-04-02 Dispositif de récupération de soufre et procédé de récupération de soufre WO2012133904A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EA201391397A EA024611B1 (ru) 2011-03-31 2012-04-02 Установка для извлечения серы и способ извлечения серы
CA2829563A CA2829563C (fr) 2011-03-31 2012-04-02 Dispositif de recuperation de soufre et procede de recuperation de soufre
US14/007,971 US8778297B2 (en) 2011-03-31 2012-04-02 Sulfur recovery unit and sulfur recovery method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011080338 2011-03-31
JP2011-080338 2011-03-31

Publications (1)

Publication Number Publication Date
WO2012133904A1 true WO2012133904A1 (fr) 2012-10-04

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PCT/JP2012/059016 WO2012133904A1 (fr) 2011-03-31 2012-04-02 Dispositif de récupération de soufre et procédé de récupération de soufre

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Country Link
US (1) US8778297B2 (fr)
CA (1) CA2829563C (fr)
CO (1) CO6801704A2 (fr)
EA (1) EA024611B1 (fr)
WO (1) WO2012133904A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017179620A1 (fr) * 2016-04-12 2017-10-19 三菱日立パワーシステムズ株式会社 Structure de tuyauterie et système de chaudière

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10358349B1 (en) * 2018-02-21 2019-07-23 Saudi Arabian Oil Company Advanced heat integration in sulfur recovery unit—SafarClaus
US10676356B2 (en) * 2018-02-21 2020-06-09 Saudi Arabian Oil Company Advanced heat integration in sulfur recovery unit—SafarClaus
CN114684792A (zh) * 2020-12-31 2022-07-01 宁波博汇化工科技股份有限公司 一种含硫尾气回收装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001122602A (ja) * 1999-10-22 2001-05-08 Ishikawajima Harima Heavy Ind Co Ltd 硫黄回収設備
JP2001270706A (ja) * 2000-03-27 2001-10-02 Jgc Corp 硫化水素含有ガスからの硫黄回収方法および硫黄回収装置
JP2002541044A (ja) * 1999-04-07 2002-12-03 ザ・ビーオーシー・グループ・インコーポレーテッド 硫化水素含有可燃性ガス流の処理
JP2007526205A (ja) * 2004-03-03 2007-09-13 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 酸ガス流からの硫黄の高効率回収方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198386A (en) * 1978-02-14 1980-04-15 Bethlehem Steel Corporation Selective removal of a gaseous component from a multi-component gas stream
DE10233818B4 (de) * 2002-07-25 2007-05-24 Uhde Gmbh Abhitzekessel für eine Claus-Anlage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002541044A (ja) * 1999-04-07 2002-12-03 ザ・ビーオーシー・グループ・インコーポレーテッド 硫化水素含有可燃性ガス流の処理
JP2001122602A (ja) * 1999-10-22 2001-05-08 Ishikawajima Harima Heavy Ind Co Ltd 硫黄回収設備
JP2001270706A (ja) * 2000-03-27 2001-10-02 Jgc Corp 硫化水素含有ガスからの硫黄回収方法および硫黄回収装置
JP2007526205A (ja) * 2004-03-03 2007-09-13 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 酸ガス流からの硫黄の高効率回収方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017179620A1 (fr) * 2016-04-12 2017-10-19 三菱日立パワーシステムズ株式会社 Structure de tuyauterie et système de chaudière

Also Published As

Publication number Publication date
EA201391397A1 (ru) 2014-03-31
CA2829563C (fr) 2016-03-15
US20140017162A1 (en) 2014-01-16
US8778297B2 (en) 2014-07-15
CA2829563A1 (fr) 2012-10-04
EA024611B1 (ru) 2016-10-31
CO6801704A2 (es) 2013-11-29

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